Air Science Purair BASIC - Page 11

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11 \ USER OPERATION MANUAL: Purair Basic Series
6. Insertthemainlter,gasketsidedown,
centering it over the cutout.
7. Ifusingtwoltertypes,stackthesecond
lterontopoftherstwiththegasket
side down. Make sure the corners are
squared up to ensure proper installation.
8. Place the white metal hat frame on top of
thelter.
9. Rotate the black knobs inside the com-
partment to lower the clamping bar. The
ltergasketshouldcompressandthe
ltersshouldnotwiggleifyouattemptto
pull/push on them.